144 lines
2.8 KiB
Bash
144 lines
2.8 KiB
Bash
#!/bin/bash
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#
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# tc: apply the tc configuration rules
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#
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# Version: @(#) /etc/rc.d/init.d/tc
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#
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# chkconfig: 2345 90 10
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# description: Starts and stops the tc at boot time and shutdown.
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#
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# processname: tc
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#
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# created: from Raptor
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# path to the tc command
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tc="/sbin/tc"
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# where is the tc config file
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tcConf="/etc/sysconfig/traffic_control"
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offMsg=OFF
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onMsg=ON
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debug=0
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[ -x "$tc" ] || exit 1
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# source function library
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. /etc/sysconfig/rc
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[ -r "$rc_functions" ] && . $rc_functions
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isUp () {
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res=`$tc qdisc show dev $1`
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[ "$res" ] || return 1
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return 0
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}
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start () {
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echo -n "Starting tc services: "
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OLDIFS="$IFS"
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IFS=""
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while read line; do
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cmd=`echo $line | grep -v "^#" | sed -e "s/^tc//" | sed -e "s/^[ \t]*//"`
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if [ -n "$cmd" ]; then
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[ $debug -eq 1 ] && echo "Execute: $cmd:"
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eval "$tc $cmd"
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fi
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done < $tcConf
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touch /var/lock/subsys/tc
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IFS="$OLDIFS"
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evaluate_retval
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echo
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}
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stop () {
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echo -n "Stopping some/all tc services: "
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# if explictly specified shut only these devices
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[ "$1" ] && devs=$*;
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#echo $devs
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for d in $devs; do
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if isUp $d ; then
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echo -n "Flushing: $d"
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$tc qdisc del root dev $d
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$CURS_UP
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evaluate_retval
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echo
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else
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echo -n "No traffic control running on: $d"
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evaluate_retval
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echo
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fi
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done
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# this is not the correct behavior
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rm -f /var/lock/subsys/tc
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}
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status () {
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[ "$1" ] && devs=$*
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#echo $devs
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for d in $devs; do
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if isUp $d; then
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echo "traffic control on $d: [$onMsg]"
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else
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echo "traffic control on $d: [$offMsg]"
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fi
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done
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}
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show () {
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if [ -z "$1" ]; then what=all; else what=$1; fi
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shift
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if [ "$1" ]; then devs=$*; fi
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for d in $devs; do
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if isUp $d; then
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[ "$what" = "all" ] || [ "$what" = "qdisc" ] &&
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echo "`$tc qdisc show dev $d`"
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[ "$what" = "all" ] || [ "$what" = "class" ] &&
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echo "`$tc class show dev $d`"
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[ "$what" = "all" ] || [ "$what" = "filter" ] &&
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echo "`$tc filter show dev $d`"
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fi
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done
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}
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parse () {
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echo "$1" | perl -ne '
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$_ =~ s/(\d+?:\d+?)/$1/gs;
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print $_
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'
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}
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stat () {
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[ -z "$1" ] || [ -z "$2" ] &&
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echo "qdisc|class or device has to be specified !!!" && exit
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parse "`$tc -s $1 show dev $2`"
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}
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devs=`ifconfig -a | grep '^\w' | grep -v lo | cut -f 1 -d ' '`
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command=$1
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shift
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case "$command" in
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start) start ;;
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stop) stop $@ ;;
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status) status $@ ;;
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show) show $@ ;;
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stat) stat $@ ;;
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restart)
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echo -n "Restarting tc."
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stop $@
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start $@
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;;
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*)
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echo "*** Usage:
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tc {start|stop|status|restart} [devices]
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tc show [all|qdisc|class|filter] [devices]
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tc stat [qdisc|class] [devices]
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"
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exit 1
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;;
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esac
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exit 0
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